5、applingseriesoffilteringalgorithmstotheoriginalimagetosuppressspecklenoise.Thenusingthedifferencialmethodandlog-radiomethodtoconstructthedifferenceimages.Togetaspiltimage,IuseKIthresholdsegmentationalgorithmunderthegeneralizedGaussianassumption.Last,usingmathematical morphology f